Definition of properdin in English:

properdin

noun

Biochemistry
  • [mass noun] A protein present in the blood, involved in the body's response to certain kinds of infection.

    • ‘Complement properdin increased by 21 percent compared to the placebo group.’
    • ‘In addition to evaluating the levels of complement properdin, measurement of other components of the complement system may provide more conclusive evidence on complement system activation.’
    • ‘It has developed proprietary monoclonal antibodies to properdin that are potent in vitro and in vivo inhibitors of the complement alternative pathway.’

Origin

1950s: from pro- ‘before’ + Latin perdere destroy + -in.

Pronunciation:

properdin

/prəʊˈpəːdɪn/